Garmin GPSMAP 521 Технічна довідка - Сторінка 27
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NMEA 2000-Certified Sensor Configuration Information
Garmin NMEA 2000-certified sensors each have a Sensor Configuration Guide included in the package. For convenience, this section contains
the configuration information for all Garmin NMEA 2000 sensor. All NMEA 2000 device configuration options are set from the NMEA 2000
configuration menu on your NMEA 2000 display device.
important: To access the NMEA 2000 configuration menu on your display device, consult the documentation provided with your display
device.
GPS 17x (GPS Antenna)
Enabling and Disabling WAAS (Wide Area Augmentation System)/EGNOS (Euro Geostationary
Navigation Overlay Service)
When enabled, WAAS/EGNOS provides more-accurate position information. For more information on WAAS/EGNOS, visit www.garmin.com.
1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.
2. Select
Config
>
WAAS/EGNOS.
3. On a Garmin chartplotter, select
Setting the Speed Filter
The speed filter setting on the GPS 17x can help reduce unnecessary drift alarm triggers as well as potentially sporadic position information.
The speed filter averages the data provided by the GPS 17x to provide smoother position data updates. The speed filter is most helpful when
stationary or in low-speed situations.
1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.
2. Select
Config
>
Speed
Filter.
3. Choose from the following options:
•
Off—position information from the GPS 17x is provided to the NMEA 2000 network as it is gathered.
•
On—position information from the GPS 17x is gathered and averaged before it is provided to the NMEA 2000 network. Select the interval
at which the position information is gathered.
•
Auto—the speed filter toggles on in low-speed situations and toggles off in high-speed situations.
Refreshing GPS Satellite Acquisition
In some situations, if you have moved the boat many miles without using the GPS 17x, for example, you can force the GPS 17x to re-initialize
and find your current position.
1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.
2. Select
Config
>
Auto
Locate.
3. Wait for the GPS 17x to acquire satellites.
Restoring Factory Default Settings
You can restore factory default settings to the GPS 17x. You will lose all custom configuration settings when you restore factory default
settings.
To restore factory default settings:
1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.
2. Select
Config
>
Factory
Technical Reference for Garmin NMEA 2000 Products
On
or Off.
Defaults.
NMEA 2000-Certified Sensor Configuration Information
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